This episode covers the fallout from Pwn2Own Berlin, where researchers exposed 24 zero-day exploits in one day, plus urgent warnings about a Cisco SD-WAN authentication bypass being actively exploited in the wild. We also dig into a new Linux privilege escalation flaw called Fragnesia and what it means when similar bugs start clustering together.
Show Notes
This episode covers the fallout from Pwn2Own Berlin, where researchers exposed 24 zero-day exploits in one day, plus urgent warnings about a Cisco SD-WAN authentication bypass being actively exploited in the wild. We also dig into a new Linux privilege escalation flaw called Fragnesia and what it means when similar bugs start clustering together.
Stories covered:
- Windows 11 and Microsoft Edge hacked at Pwn2Own Berlin 2026 (BleepingComputer) - https://www.bleepingcomputer.com/news/security/windows-11-and-microsoft-edge-hacked-on-first-day-of-pwn2own-berlin-2026/
- Cisco warns of new critical SD-WAN flaw exploited in zero-day attacks (BleepingComputer) - https://www.bleepingcomputer.com/news/security/cisco-warns-of-new-critical-sd-wan-flaw-exploited-in-zero-day-attacks/
- New Fragnesia Linux Kernel LPE Grants Root Access via Page Cache Corruption (The Hacker News) - https://thehackernews.com/2026/05/new-fragnesia-linux-kernel-lpe-grants.html
- Training for Another Half Marathon? Avoid the Common Mistakes I Made So You Run a Faster Race. (Runner's World) - https://www.runnersworld.com/training/a71285796/second-half-marathon-training-tips/
- Not Just Cruise Ships: What to Know About Hantavirus in the Backcountry (ExplorersWeb) - https://explorersweb.com/not-just-cruise-ships-what-to-know-about-hantavirus-in-the-backcountry/
- An Engineer’s Post Protesting Laptop Surveillance Is Going Viral Inside Meta (Wired) - https://www.wired.com/story/meta-employee-protest-mouse-tracking-surveillance-ai-training/
What is Signal Check?
Tech, hacking, security, running, climbing news all in one podcast cause.. why not?